As you read in the heading this is simple compressed air cannon which you can build with PVC pipes from your local hardware store for a couple of bucks.Warning: This is common drainage PVC pipes used ...
As you read in the heading this is simple compressed air cannon which you can build with PVC pipes from your local hardware store for a couple of bucks.Warning: This is common drainage PVC pipes used ...
Doorbells are a great idea. They let you know when someone who's not a burglar is trying to enter your house, apartment, or squat. They eliminate the need for lots of noisy yelling and startling door ...
In this video i wanted to show how the railway signal works. Sorry for a poor quality, this is my first video on youtube. Interesting thing. When train is approaching to the road crossing, signal imme ...
Step 1: Flying GhostGrab a cup, a pair of scissors, a black marker, a box of matches, a plate, and a few tea bags. Open a tea bag and pour the contents into a cup. Use the scissors to cut the empty te ...
Step 1: Fidget PhysicsInertia is a property of matter by which it continues in its existing state of rest or uniform motion in a straight line. Attach a string to the center of the fidget spinner. Giv ...
Step 1: The Effect Coke Has on Your TeethIn theory an egg shell works similar to the enamel found on your teeth. Grab a can of Coke, an empty jar, and one delicate egg. Place the egg within the jar an ...
Step 1: Jet EngineGrab a glass jar with two lids and 50% alcohol. Pour just enough alcohol to coat the entire inside of the jar. Put a lid on the jar and shake it around to get the alcohol to spread a ...
Step 1: Balance a Glass on a Dollar BillSetup: Grab three cups. Separate two cups just far apart to place a dollar bill on top of both of them. The third cup will be placed on top of the dollar bill.P ...
Step 1: Silver EggIn this experiment, you will need a single egg, thongs, a lighter, and a cup filled with water. Grab the egg with the thongs. Now with the lighter, start burning the egg to create so ...